I've waffled between 2-bay and 4-bay for personal use. Currently on 2-bay, but semi-regretting - I feel like 4-bay would offer more notably more flexibility wit

I've waffled between 2-bay and 4-bay for personal use. Currently on 2-bay, but semi-regretting - I feel like 4-bay would offer more notably more flexibility with drive expansion options. (Assuming single parity drive and SHR-1 in either case.)